Question: Differentiate. (a) f(x) = 3x2 - 2 cos x (b) f(x) = sin x + 1/2 cot x (c) y = sec tan

Differentiate.
(a) f(x) = 3x2 - 2 cos x
(b) f(x) = sin x + 1/2 cot x
(c) y = sec θ tan θ

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